1.	Consider a function machine that gives the positive square root of the input. If the input is , what is the output?
		A.		B.
		C.		D.
		Hint
	2.	Triple the number, subtract 5, and square the result.Which function describes the rule?
		A.	y = 3x2 – 5	B.	y = (3x – 5) 2
		C.	y = 3(x – 5) 2	D.
		Hint
	3.	Find the domain of the function.y = –x + 3
		A.	all real numbers except 1	B.	all real numbers except –3
		C.	all real numbers except 3	D.	all real numbers
		Hint
	4.	A flare is shot up into the sky modeling the formula h(t) = 2 + 144t – 16t2, where h is in feet and t is in seconds. About how long was the flare in the air?
		A.	9 seconds	B.	5 seconds
		C.	4.5 seconds	D.	2.5 seconds
		Hint
	5.	Hector needs to build a rectangular pen for his dog. He decides to use an area of 50 m2 in his backyard for the pen. Using w for the width, find a function f(w) that represents the perimeter of the fence in terms of w.
		A.	lw = 50	B.
		C.	l = 50 – w	D.	l + w = 50
		Hint